| 摘要 |
Stairs for construction vehicle are disclosed. The stairs for construction vehicle comprise: main supports, which are spaced from the vehicle body at a certain distance to be fixed to one side of the vehicle body and comprise a first upper hole penetrated in the top and a first lower hole penetrated in the bottom; second supports, which are spaced from the main supports at a certain distance towards the exterior of the vehicle to be parallel and comprise a second upper hole penetrated in the top and a second lower hole penetrated in the bottom; an upper step, which comprises a first hinge shaft coupled to the first upper hole of the main support and a second hinge shaft coupled to the second upper hole of the second support, whereby the upper step is coupled to the main supports rotatably; and a lower step, which comprises a third hinge shaft coupled to the first lower hole of the main support and a fourth hinge shaft coupled to the second lower hole of the second support, whereby the lower step is coupled to the main supports rotatably. |
